Methods::getCachedChecker() - Code Metrics - Inspection of "4gb change for windows (1.x branch)" - vimeo/psalm - Measure and Improve Code Quality continuously with Scrutinizer

Passed

Pull Request — master (#861)

by SignpostMarv

created 2018-07-03 20:03 UTC

Methods::getCachedChecker() A

↳ Parent: Methods

Complexity

Conditions	2
Paths	2

Size

Total Lines

Duplication

Lines	0
Ratio	0 %

Importance

Changes

Metric	Value
cc	2
nc	2
nop	1
dl	0
loc	7
rs	10
c	0
b	0
f	0

<?php
namespace Psalm\Codebase;

use PhpParser;
use Psalm\Checker\MethodChecker;
use Psalm\CodeLocation;
use Psalm\Provider\ClassLikeStorageProvider;
use Psalm\Storage\MethodStorage;
use Psalm\Type;

/**
 * @internal
 *
 * Handles information about class methods
 */
class Methods
{
    /**
     * @var ClassLikeStorageProvider
     */
    private $classlike_storage_provider;

    /**
     * @var \Psalm\Config
     */
    private $config;

    /**
     * @var array<string, MethodChecker>
     */
    private $method_checkers = [];

    /**
     * @var bool
     */
    public $collect_references = false;

    /**
     * @param ClassLikeStorageProvider $storage_provider
     */
    public function __construct(
        \Psalm\Config $config,
        ClassLikeStorageProvider $storage_provider
    ) {
        $this->classlike_storage_provider = $storage_provider;
        $this->config = $config;
    }

    /**
     * Whether or not a given method exists
     *
     * @param  string       $method_id
     * @param  CodeLocation|null $code_location
     *
     * @return bool
     */
    public function methodExists(
        $method_id,
        CodeLocation $code_location = null
    ) {
        // remove trailing backslash if it exists
        $method_id = preg_replace('/^\\\\/', '', $method_id);
        list($fq_class_name, $method_name) = explode('::', $method_id);
        $method_name = strtolower($method_name);
        $method_id = $fq_class_name . '::' . $method_name;

        $old_method_id = null;

        $class_storage = $this->classlike_storage_provider->get($fq_class_name);

        if (isset($class_storage->declaring_method_ids[$method_name])) {
            if ($this->collect_references && $code_location) {
                $declaring_method_id = $class_storage->declaring_method_ids[$method_name];
                list($declaring_method_class, $declaring_method_name) = explode('::', $declaring_method_id);

                $declaring_class_storage = $this->classlike_storage_provider->get($declaring_method_class);
                $declaring_method_storage = $declaring_class_storage->methods[strtolower($declaring_method_name)];
                if ($declaring_method_storage->referencing_locations === null) {
                    $declaring_method_storage->referencing_locations = [];
                }
                $declaring_method_storage->referencing_locations[$code_location->file_path][] = $code_location;

                foreach ($class_storage->class_implements as $fq_interface_name) {
                    $interface_storage = $this->classlike_storage_provider->get($fq_interface_name);
                    if (isset($interface_storage->methods[$method_name])) {
                        $interface_method_storage = $interface_storage->methods[$method_name];
                        if (!isset($interface_method_storage->referencing_locations)) {
                            $interface_method_storage->referencing_locations = [];
                        }
                        $interface_method_storage->referencing_locations[$code_location->file_path][] = $code_location;
                    }
                }

                if (isset($declaring_class_storage->overridden_method_ids[$declaring_method_name])) {
                    $overridden_method_ids = $declaring_class_storage->overridden_method_ids[$declaring_method_name];

                    foreach ($overridden_method_ids as $overridden_method_id) {
                        list($overridden_method_class, $overridden_method_name) = explode('::', $overridden_method_id);

                        $class_storage = $this->classlike_storage_provider->get($overridden_method_class);
                        $method_storage = $class_storage->methods[strtolower($overridden_method_name)];
                        if ($method_storage->referencing_locations === null) {
                            $method_storage->referencing_locations = [];
                        }
                        $method_storage->referencing_locations[$code_location->file_path][] = $code_location;
                    }
                }
            }

            return true;
        }

        if ($class_storage->abstract && isset($class_storage->overridden_method_ids[$method_name])) {
            return true;
        }

        // support checking oldstyle constructors
        if ($method_name === '__construct') {
            $method_name_parts = explode('\\', $fq_class_name);
            $old_constructor_name = array_pop($method_name_parts);
            $old_method_id = $fq_class_name . '::' . $old_constructor_name;
        }

        if (!$class_storage->user_defined
            && (CallMap::inCallMap($method_id) || ($old_method_id && CallMap::inCallMap($method_id)))
        ) {
            return true;
        }

        return false;
    }

    /**
     * @param  string $method_id
     *
     * @return array<int, \Psalm\Storage\FunctionLikeParameter>
     */
    public function getMethodParams($method_id)
    {
        if ($method_id = $this->getDeclaringMethodId($method_id)) {
            $storage = $this->getStorage($method_id);

            return $storage->params;
        }

        throw new \UnexpectedValueException('Cannot get method params for ' . $method_id);
    }

    /**
     * @param  string $method_id
     *
     * @return bool
     */
    public function isVariadic($method_id)
    {
        $method_id = (string) $this->getDeclaringMethodId($method_id);

        list($fq_class_name, $method_name) = explode('::', $method_id);

        return $this->classlike_storage_provider->get($fq_class_name)->methods[$method_name]->variadic;
    }

    /**
     * @param  string $method_id
     * @param  string $self_class
     * @param  array<int, PhpParser\Node\Arg>|null $args
     *
     * @return Type\Union|null
     */
    public function getMethodReturnType($method_id, &$self_class, array $args = null)
    {
        if ($this->config->use_phpdoc_methods_without_call) {
            list($original_fq_class_name, $original_method_name) = explode('::', $method_id);

            $original_class_storage = $this->classlike_storage_provider->get($original_fq_class_name);

            if (isset($original_class_storage->pseudo_methods[strtolower($original_method_name)])) {
                return $original_class_storage->pseudo_methods[strtolower($original_method_name)]->return_type;
            }
        }

        $declaring_method_id = $this->getDeclaringMethodId($method_id);

        if (!$declaring_method_id) {
            return null;
        }

        $appearing_method_id = $this->getAppearingMethodId($method_id);

        if (!$appearing_method_id) {
            return null;
        }

        list($appearing_fq_class_name, $appearing_method_name) = explode('::', $appearing_method_id);

        $appearing_fq_class_storage = $this->classlike_storage_provider->get($appearing_fq_class_name);

        if (!$appearing_fq_class_storage->user_defined && CallMap::inCallMap($appearing_method_id)) {
            if ($appearing_method_id === 'Closure::fromcallable'
                && isset($args[0]->value->inferredType)
                && $args[0]->value->inferredType->isSingle()
            ) {
                foreach ($args[0]->value->inferredType->getTypes() as $atomic_type) {
                    if ($atomic_type instanceof Type\Atomic\TCallable || $atomic_type instanceof Type\Atomic\Fn) {
                        $callable_type = clone $atomic_type;

                        return new Type\Union([new Type\Atomic\Fn(
                            'Closure',
                            $callable_type->params,
                            $callable_type->return_type
                        )]);
                    }
                }
            }
            return CallMap::getReturnTypeFromCallMap($appearing_method_id);
        }

        $storage = $this->getStorage($declaring_method_id);

        if ($storage->return_type) {
            $self_class = $appearing_fq_class_name;

            return clone $storage->return_type;
        }

        $class_storage = $this->classlike_storage_provider->get($appearing_fq_class_name);

        if (!isset($class_storage->overridden_method_ids[$appearing_method_name])) {
            return null;
        }

        foreach ($class_storage->overridden_method_ids[$appearing_method_name] as $overridden_method_id) {
            $overridden_storage = $this->getStorage($overridden_method_id);

            if ($overridden_storage->return_type) {
                if ($overridden_storage->return_type->isNull()) {
                    return Type::getVoid();
                }

                list($fq_overridden_class) = explode('::', $overridden_method_id);

                $overridden_class_storage =
                    $this->classlike_storage_provider->get($fq_overridden_class);

                $overridden_return_type = clone $overridden_storage->return_type;

                if ($overridden_class_storage->template_types) {
                    $generic_types = [];
                    $overridden_return_type->replaceTemplateTypesWithStandins(
                        $overridden_class_storage->template_types,
                        $generic_types
                    );
                }

                $self_class = $overridden_class_storage->name;

                return $overridden_return_type;
            }
        }

        return null;
    }

    /**
     * @param  string $method_id
     *
     * @return bool
     */
    public function getMethodReturnsByRef($method_id)
    {
        $method_id = $this->getDeclaringMethodId($method_id);

        if (!$method_id) {
            return false;
        }

        list($fq_class_name) = explode('::', $method_id);

        $fq_class_storage = $this->classlike_storage_provider->get($fq_class_name);

        if (!$fq_class_storage->user_defined && CallMap::inCallMap($method_id)) {
            return false;
        }

        $storage = $this->getStorage($method_id);

        return $storage->returns_by_ref;
    }

    /**
     * @param  string               $method_id
     * @param  CodeLocation|null    $defined_location
     *
     * @return CodeLocation|null
     */
    public function getMethodReturnTypeLocation(
        $method_id,
        CodeLocation &$defined_location = null
    ) {
        $method_id = $this->getDeclaringMethodId($method_id);

        if ($method_id === null) {
            return null;
        }

        $storage = $this->getStorage($method_id);

        if (!$storage->return_type_location) {
            $overridden_method_ids = $this->getOverriddenMethodIds($method_id);

            foreach ($overridden_method_ids as $overridden_method_id) {
                $overridden_storage = $this->getStorage($overridden_method_id);

                if ($overridden_storage->return_type_location) {
                    $defined_location = $overridden_storage->return_type_location;
                    break;
                }
            }
        }

        return $storage->return_type_location;
    }

    /**
     * @param  string $method_id
     *
     * @return array<int, \Psalm\Storage\Assertion>
     */
    public function getMethodAssertions($method_id)
    {
        $method_id = $this->getDeclaringMethodId($method_id);

        if (!$method_id) {
            return [];
        }

        list($fq_class_name) = explode('::', $method_id);

        $fq_class_storage = $this->classlike_storage_provider->get($fq_class_name);

        if (!$fq_class_storage->user_defined && CallMap::inCallMap($method_id)) {
            return [];
        }

        $storage = $this->getStorage($method_id);

        return $storage->assertions;
    }

    /**
     * @param string $method_id
     * @param string $declaring_method_id
     *
     * @return void
     */
    public function setDeclaringMethodId(
        $method_id,
        $declaring_method_id
    ) {
        list($fq_class_name, $method_name) = explode('::', $method_id);

        $class_storage = $this->classlike_storage_provider->get($fq_class_name);

        $class_storage->declaring_method_ids[$method_name] = $declaring_method_id;
    }

    /**
     * @param string $method_id
     * @param string $appearing_method_id
     *
     * @return void
     */
    public function setAppearingMethodId(
        $method_id,
        $appearing_method_id
    ) {
        list($fq_class_name, $method_name) = explode('::', $method_id);

        $class_storage = $this->classlike_storage_provider->get($fq_class_name);

        $class_storage->appearing_method_ids[$method_name] = $appearing_method_id;
    }

    /**
     * @param  string $method_id
     *
     * @return string|null
     */
    public function getDeclaringMethodId($method_id)
    {
        $method_id = strtolower($method_id);

        list($fq_class_name, $method_name) = explode('::', $method_id);

        $class_storage = $this->classlike_storage_provider->get($fq_class_name);

        if (isset($class_storage->declaring_method_ids[$method_name])) {
            return $class_storage->declaring_method_ids[$method_name];
        }

        if ($class_storage->abstract && isset($class_storage->overridden_method_ids[$method_name])) {
            return $class_storage->overridden_method_ids[$method_name][0];
        }
    }

    /**
     * Get the class this method appears in (vs is declared in, which could give a trait)
     *
     * @param  string $method_id
     *
     * @return string|null
     */
    public function getAppearingMethodId($method_id)
    {
        $method_id = strtolower($method_id);

        list($fq_class_name, $method_name) = explode('::', $method_id);

        $class_storage = $this->classlike_storage_provider->get($fq_class_name);

        if (isset($class_storage->appearing_method_ids[$method_name])) {
            return $class_storage->appearing_method_ids[$method_name];
        }
    }

    /**
     * @param  string $method_id
     *
     * @return array<string>
     */
    public function getOverriddenMethodIds($method_id)
    {
        list($fq_class_name, $method_name) = explode('::', $method_id);

        $class_storage = $this->classlike_storage_provider->get($fq_class_name);

        if (isset($class_storage->overridden_method_ids[$method_name])) {
            return $class_storage->overridden_method_ids[$method_name];
        }

        return [];
    }

    /**
     * @param  string $original_method_id
     *
     * @return string
     */
    public function getCasedMethodId($original_method_id)
    {
        $method_id = $this->getDeclaringMethodId($original_method_id);

        if ($method_id === null) {
            throw new \UnexpectedValueException('Cannot get declaring method id for ' . $original_method_id);
        }

        $storage = $this->getStorage($method_id);

        list($fq_class_name) = explode('::', $method_id);

        return $fq_class_name . '::' . $storage->cased_name;
    }

    /**
     * @param  string $method_id
     *
     * @return MethodStorage
     */
    public function getStorage($method_id)
    {
        list($fq_class_name, $method_name) = explode('::', $method_id);

        $class_storage = $this->classlike_storage_provider->get($fq_class_name);

        $method_name_lc = strtolower($method_name);

        if (!isset($class_storage->methods[$method_name_lc])) {
            throw new \UnexpectedValueException('$storage should not be null for ' . $method_id);
        }

        return $class_storage->methods[$method_name_lc];
    }

    /**
     * @param  string $method_id
     *
     * @return MethodChecker|null
     */
    public function getCachedChecker($method_id)
    {
        if (isset($this->method_checkers[$method_id])) {
            return $this->method_checkers[$method_id];
        }

        return null;
    }

    /**
     * @param  string        $method_id
     * @param  MethodChecker $checker
     *
     * @return void
     */
    public function cacheChecker($method_id, MethodChecker $checker)
    {
        $this->method_checkers[$method_id] = $checker;
    }
}


1			<?php
2			namespace Psalm\Codebase;
3
4			use PhpParser;
5			use Psalm\Checker\MethodChecker;
6			use Psalm\CodeLocation;
7			use Psalm\Provider\ClassLikeStorageProvider;
8			use Psalm\Storage\MethodStorage;
9			use Psalm\Type;
10
11			/**
12			* @internal
13			*
14			* Handles information about class methods
15			*/
16			class Methods
17			{
18			/**
19			* @var ClassLikeStorageProvider
20			*/
21			private $classlike_storage_provider;
22
23			/**
24			* @var \Psalm\Config
25			*/
26			private $config;
27
28			/**
29			* @var array<string, MethodChecker>
30			*/
31			private $method_checkers = [];
32
33			/**
34			* @var bool
35			*/
36			public $collect_references = false;
37
38			/**
39			* @param ClassLikeStorageProvider $storage_provider
40			*/
41			public function __construct(
42			\Psalm\Config $config,
43			ClassLikeStorageProvider $storage_provider
44			) {
45			$this->classlike_storage_provider = $storage_provider;
46			$this->config = $config;
47			}
48
49			/**
50			* Whether or not a given method exists
51			*
52			* @param string $method_id
53			* @param CodeLocation\|null $code_location
54			*
55			* @return bool
56			*/
57			public function methodExists(
58			$method_id,
59			CodeLocation $code_location = null
60			) {
61			// remove trailing backslash if it exists
62			$method_id = preg_replace('/^\\\\/', '', $method_id);
63			list($fq_class_name, $method_name) = explode('::', $method_id);
64			$method_name = strtolower($method_name);
65			$method_id = $fq_class_name . '::' . $method_name;
66
67			$old_method_id = null;
68
69			$class_storage = $this->classlike_storage_provider->get($fq_class_name);
70
71			if (isset($class_storage->declaring_method_ids[$method_name])) {
72			if ($this->collect_references && $code_location) {
73			$declaring_method_id = $class_storage->declaring_method_ids[$method_name];
74			list($declaring_method_class, $declaring_method_name) = explode('::', $declaring_method_id);
75
76			$declaring_class_storage = $this->classlike_storage_provider->get($declaring_method_class);
77			$declaring_method_storage = $declaring_class_storage->methods[strtolower($declaring_method_name)];
78			if ($declaring_method_storage->referencing_locations === null) {
79			$declaring_method_storage->referencing_locations = [];
80			}
81			$declaring_method_storage->referencing_locations[$code_location->file_path][] = $code_location;
82
83			foreach ($class_storage->class_implements as $fq_interface_name) {
84			$interface_storage = $this->classlike_storage_provider->get($fq_interface_name);
85			if (isset($interface_storage->methods[$method_name])) {
86			$interface_method_storage = $interface_storage->methods[$method_name];
87			if (!isset($interface_method_storage->referencing_locations)) {
88			$interface_method_storage->referencing_locations = [];
89			}
90			$interface_method_storage->referencing_locations[$code_location->file_path][] = $code_location;
91			}
92			}
93
94			if (isset($declaring_class_storage->overridden_method_ids[$declaring_method_name])) {
95			$overridden_method_ids = $declaring_class_storage->overridden_method_ids[$declaring_method_name];
96
97			foreach ($overridden_method_ids as $overridden_method_id) {
98			list($overridden_method_class, $overridden_method_name) = explode('::', $overridden_method_id);
99
100			$class_storage = $this->classlike_storage_provider->get($overridden_method_class);
101			$method_storage = $class_storage->methods[strtolower($overridden_method_name)];
102			if ($method_storage->referencing_locations === null) {
103			$method_storage->referencing_locations = [];
104			}
105			$method_storage->referencing_locations[$code_location->file_path][] = $code_location;
106			}
107			}
108			}
109
110			return true;
111			}
112
113			if ($class_storage->abstract && isset($class_storage->overridden_method_ids[$method_name])) {
114			return true;
115			}
116
117			// support checking oldstyle constructors
118			if ($method_name === '__construct') {
119			$method_name_parts = explode('\\', $fq_class_name);
120			$old_constructor_name = array_pop($method_name_parts);
121			$old_method_id = $fq_class_name . '::' . $old_constructor_name;
122			}
123
124			if (!$class_storage->user_defined
125			&& (CallMap::inCallMap($method_id) \|\| ($old_method_id && CallMap::inCallMap($method_id)))
126			) {
127			return true;
128			}
129
130			return false;
131			}
132
133			/**
134			* @param string $method_id
135			*
136			* @return array<int, \Psalm\Storage\FunctionLikeParameter>
137			*/
138			public function getMethodParams($method_id)
139			{
140			if ($method_id = $this->getDeclaringMethodId($method_id)) {
141			$storage = $this->getStorage($method_id);
142
143			return $storage->params;
144			}
145
146			throw new \UnexpectedValueException('Cannot get method params for ' . $method_id);
147			}
148
149			/**
150			* @param string $method_id
151			*
152			* @return bool
153			*/
154			public function isVariadic($method_id)
155			{
156			$method_id = (string) $this->getDeclaringMethodId($method_id);
157
158			list($fq_class_name, $method_name) = explode('::', $method_id);
159
160			return $this->classlike_storage_provider->get($fq_class_name)->methods[$method_name]->variadic;
161			}
162
163			/**
164			* @param string $method_id
165			* @param string $self_class
166			* @param array<int, PhpParser\Node\Arg>\|null $args
167			*
168			* @return Type\Union\|null
169			*/
170			public function getMethodReturnType($method_id, &$self_class, array $args = null)
171			{
172			if ($this->config->use_phpdoc_methods_without_call) {
173			list($original_fq_class_name, $original_method_name) = explode('::', $method_id);
174
175			$original_class_storage = $this->classlike_storage_provider->get($original_fq_class_name);
176
177			if (isset($original_class_storage->pseudo_methods[strtolower($original_method_name)])) {
178			return $original_class_storage->pseudo_methods[strtolower($original_method_name)]->return_type;
179			}
180			}
181
182			$declaring_method_id = $this->getDeclaringMethodId($method_id);
183
184			if (!$declaring_method_id) {
185			return null;
186			}
187
188			$appearing_method_id = $this->getAppearingMethodId($method_id);
189
190			if (!$appearing_method_id) {
191			return null;
192			}
193
194			list($appearing_fq_class_name, $appearing_method_name) = explode('::', $appearing_method_id);
195
196			$appearing_fq_class_storage = $this->classlike_storage_provider->get($appearing_fq_class_name);
197
198			if (!$appearing_fq_class_storage->user_defined && CallMap::inCallMap($appearing_method_id)) {
199			if ($appearing_method_id === 'Closure::fromcallable'
200			&& isset($args[0]->value->inferredType)
201			&& $args[0]->value->inferredType->isSingle()
202			) {
203			foreach ($args[0]->value->inferredType->getTypes() as $atomic_type) {
204			if ($atomic_type instanceof Type\Atomic\TCallable \|\| $atomic_type instanceof Type\Atomic\Fn) {
205			$callable_type = clone $atomic_type;
206
207			return new Type\Union([new Type\Atomic\Fn(
208			'Closure',
209			$callable_type->params,
210			$callable_type->return_type
211			)]);
212			}
213			}
214			}
215			return CallMap::getReturnTypeFromCallMap($appearing_method_id);
216			}
217
218			$storage = $this->getStorage($declaring_method_id);
219
220			if ($storage->return_type) {
221			$self_class = $appearing_fq_class_name;
222
223			return clone $storage->return_type;
224			}
225
226			$class_storage = $this->classlike_storage_provider->get($appearing_fq_class_name);
227
228			if (!isset($class_storage->overridden_method_ids[$appearing_method_name])) {
229			return null;
230			}
231
232			foreach ($class_storage->overridden_method_ids[$appearing_method_name] as $overridden_method_id) {
233			$overridden_storage = $this->getStorage($overridden_method_id);
234
235			if ($overridden_storage->return_type) {
236			if ($overridden_storage->return_type->isNull()) {
237			return Type::getVoid();
238			}
239
240			list($fq_overridden_class) = explode('::', $overridden_method_id);
241
242			$overridden_class_storage =
243			$this->classlike_storage_provider->get($fq_overridden_class);
244
245			$overridden_return_type = clone $overridden_storage->return_type;
246
247			if ($overridden_class_storage->template_types) {
248			$generic_types = [];
249			$overridden_return_type->replaceTemplateTypesWithStandins(
250			$overridden_class_storage->template_types,
251			$generic_types
252			);
253			}
254
255			$self_class = $overridden_class_storage->name;
256
257			return $overridden_return_type;
258			}
259			}
260
261			return null;
262			}
263
264			/**
265			* @param string $method_id
266			*
267			* @return bool
268			*/
269			public function getMethodReturnsByRef($method_id)
270			{
271			$method_id = $this->getDeclaringMethodId($method_id);
272
273			if (!$method_id) {
274			return false;
275			}
276
277			list($fq_class_name) = explode('::', $method_id);
278
279			$fq_class_storage = $this->classlike_storage_provider->get($fq_class_name);
280
281			if (!$fq_class_storage->user_defined && CallMap::inCallMap($method_id)) {
282			return false;
283			}
284
285			$storage = $this->getStorage($method_id);
286
287			return $storage->returns_by_ref;
288			}
289
290			/**
291			* @param string $method_id
292			* @param CodeLocation\|null $defined_location
293			*
294			* @return CodeLocation\|null
295			*/
296			public function getMethodReturnTypeLocation(
297			$method_id,
298			CodeLocation &$defined_location = null
299			) {
300			$method_id = $this->getDeclaringMethodId($method_id);
301
302			if ($method_id === null) {
303			return null;
304			}
305
306			$storage = $this->getStorage($method_id);
307
308			if (!$storage->return_type_location) {
309			$overridden_method_ids = $this->getOverriddenMethodIds($method_id);
310
311			foreach ($overridden_method_ids as $overridden_method_id) {
312			$overridden_storage = $this->getStorage($overridden_method_id);
313
314			if ($overridden_storage->return_type_location) {
315			$defined_location = $overridden_storage->return_type_location;
316			break;
317			}
318			}
319			}
320
321			return $storage->return_type_location;
322			}
323
324			/**
325			* @param string $method_id
326			*
327			* @return array<int, \Psalm\Storage\Assertion>
328			*/
329			public function getMethodAssertions($method_id)
330			{
331			$method_id = $this->getDeclaringMethodId($method_id);
332
333			if (!$method_id) {
334			return [];
335			}
336
337			list($fq_class_name) = explode('::', $method_id);
338
339			$fq_class_storage = $this->classlike_storage_provider->get($fq_class_name);
340
341			if (!$fq_class_storage->user_defined && CallMap::inCallMap($method_id)) {
342			return [];
343			}
344
345			$storage = $this->getStorage($method_id);
346
347			return $storage->assertions;
348			}
349
350			/**
351			* @param string $method_id
352			* @param string $declaring_method_id
353			*
354			* @return void
355			*/
356			public function setDeclaringMethodId(
357			$method_id,
358			$declaring_method_id
359			) {
360			list($fq_class_name, $method_name) = explode('::', $method_id);
361
362			$class_storage = $this->classlike_storage_provider->get($fq_class_name);
363
364			$class_storage->declaring_method_ids[$method_name] = $declaring_method_id;
365			}
366
367			/**
368			* @param string $method_id
369			* @param string $appearing_method_id
370			*
371			* @return void
372			*/
373			public function setAppearingMethodId(
374			$method_id,
375			$appearing_method_id
376			) {
377			list($fq_class_name, $method_name) = explode('::', $method_id);
378
379			$class_storage = $this->classlike_storage_provider->get($fq_class_name);
380
381			$class_storage->appearing_method_ids[$method_name] = $appearing_method_id;
382			}
383
384			/**
385			* @param string $method_id
386			*
387			* @return string\|null
388			*/
389			public function getDeclaringMethodId($method_id)
390			{
391			$method_id = strtolower($method_id);
392
393			list($fq_class_name, $method_name) = explode('::', $method_id);
394
395			$class_storage = $this->classlike_storage_provider->get($fq_class_name);
396
397			if (isset($class_storage->declaring_method_ids[$method_name])) {
398			return $class_storage->declaring_method_ids[$method_name];
399			}
400
401			if ($class_storage->abstract && isset($class_storage->overridden_method_ids[$method_name])) {
402			return $class_storage->overridden_method_ids[$method_name][0];
403			}
404			}
405
406			/**
407			* Get the class this method appears in (vs is declared in, which could give a trait)
408			*
409			* @param string $method_id
410			*
411			* @return string\|null
412			*/
413			public function getAppearingMethodId($method_id)
414			{
415			$method_id = strtolower($method_id);
416
417			list($fq_class_name, $method_name) = explode('::', $method_id);
418
419			$class_storage = $this->classlike_storage_provider->get($fq_class_name);
420
421			if (isset($class_storage->appearing_method_ids[$method_name])) {
422			return $class_storage->appearing_method_ids[$method_name];
423			}
424			}
425
426			/**
427			* @param string $method_id
428			*
429			* @return array<string>
430			*/
431			public function getOverriddenMethodIds($method_id)
432			{
433			list($fq_class_name, $method_name) = explode('::', $method_id);
434
435			$class_storage = $this->classlike_storage_provider->get($fq_class_name);
436
437			if (isset($class_storage->overridden_method_ids[$method_name])) {
438			return $class_storage->overridden_method_ids[$method_name];
439			}
440
441			return [];
442			}
443
444			/**
445			* @param string $original_method_id
446			*
447			* @return string
448			*/
449			public function getCasedMethodId($original_method_id)
450			{
451			$method_id = $this->getDeclaringMethodId($original_method_id);
452
453			if ($method_id === null) {
454			throw new \UnexpectedValueException('Cannot get declaring method id for ' . $original_method_id);
455			}
456
457			$storage = $this->getStorage($method_id);
458
459			list($fq_class_name) = explode('::', $method_id);
460
461			return $fq_class_name . '::' . $storage->cased_name;
462			}
463
464			/**
465			* @param string $method_id
466			*
467			* @return MethodStorage
468			*/
469			public function getStorage($method_id)
470			{
471			list($fq_class_name, $method_name) = explode('::', $method_id);
472
473			$class_storage = $this->classlike_storage_provider->get($fq_class_name);
474
475			$method_name_lc = strtolower($method_name);
476
477			if (!isset($class_storage->methods[$method_name_lc])) {
478			throw new \UnexpectedValueException('$storage should not be null for ' . $method_id);
479			}
480
481			return $class_storage->methods[$method_name_lc];
482			}
483
484			/**
485			* @param string $method_id
486			*
487			* @return MethodChecker\|null
488			*/
489			public function getCachedChecker($method_id)
490			{
491			if (isset($this->method_checkers[$method_id])) {
492			return $this->method_checkers[$method_id];
493			}
494
495			return null;
496			}
497
498			/**
499			* @param string $method_id
500			* @param MethodChecker $checker
501			*
502			* @return void
503			*/
504			public function cacheChecker($method_id, MethodChecker $checker)
505			{
506			$this->method_checkers[$method_id] = $checker;
507			}
508			}
509

vimeo / psalm

Pull Request — master (#861)

Methods::getCachedChecker() A

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